HEAT-RESISTANT BINDER Russian patent published in 2010 - IPC C04B7/32 

FIELD: construction.

SUBSTANCE: invention may be used to prepare heat-resistant concretes and items on their basis, manufacturing of monolithic elements of heat apparatuses linings, for production of gunned material masses, heat resistant mortars and dry mixtures with temperature of application of 1400-1700°C. Heat-resistant binder contains the following components, wt %: calcium bialuminate - CaO·2Al₂O₃ - 34-54, monocalcium aluminate - CaO·Al₂O₃- 14-20, twelve-calcium seven-aluminate - 12CaO·7Al₂O₃- 4-6, magnesium-aluminous chrome-containing spinel - MgO·(Al, Cr)₂O₃ - 15 - 32, corundum chromite - (Al, Cr)₂O₃ - 8-13.

EFFECT: improved fire resistance, temperature of deformation under load, increased residual strength and lower shrinkage after heating, ability to gain grade strength in process of hardening under normal conditions and steaming, cheapening of binder, broader raw materials base due to usage of industrial wastes.

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